Lid for airtight container bowl cover round cover sealing set fresh-keeping cover

[Product name]: Lid for airtight container
[Product material]: Edible Silicon
[Product size]: 6 specifications
[Packing quantity]: OPP bag independent packaging/200 box gauge 50*35*45
[Product color]: transparent color, other colors can be customized

[Suitable]: microwave oven, dishwasher, refrigerator can be washed, boiled and disinfected

[Product features]]:

the material is Edible Silicon, safe and environmentally friendly, and meets the daily necessities standards (LFGB and FDA) for food contact in Germany and the United States.
High and low temperature resistance, the operating temperature range is-40 ℃ ~ +240 ℃, which can be used in refrigerators, microwave ovens and electric ovens. Due to the excellent elasticity of silica gel, internal negative pressure is naturally formed when the container is covered, which completely isolates the circulation of internal and external gases and has strong sealing performance. It can be used in refrigerators to cover bowls, pots, pots, etc. without Odor. Because it completely isolates air from entering, it can achieve good preservation effect.
The thermal conductivity is only 0.27, which is about 1/1000 of metal. It is used to cover bowls, pots, pots and other heat preservation effects are excellent.
The silica gel composed of silicon-oxygen bond is super aging resistant and normally has a service life of more than 30 years.
According to the size of commonly used containers in families, a variety of sizes fresh cover are available for selection.